Answer:
Step-by-step explanation:
I'm assuming you mean n squared, so
[tex]n^{2} = 121[/tex]
Take the square root of both sides to cancel out the n squared.
[tex]\sqrt{n^{2} } = \sqrt{121}[/tex]
n = ±11
It's plus or minus because -11 * -11 = 121, and 11 * 11 = 121.
